diff --git a/src/avalanche/processor.h b/src/avalanche/processor.h
--- a/src/avalanche/processor.h
+++ b/src/avalanche/processor.h
@@ -258,7 +258,7 @@
     bool registerVotes(NodeId nodeid, const Response &response,
                        std::vector<BlockUpdate> &updates);
 
-    bool addPeer(NodeId nodeid, const Proof &proof, const CPubKey &pubkey);
+    bool addNode(NodeId nodeid, const Proof &proof, const CPubKey &pubkey);
     bool forNode(NodeId nodeid, std::function<bool(const Node &n)> func) const;
 
     CPubKey getSessionPubKey() const { return sessionKey.GetPubKey(); }
diff --git a/src/avalanche/processor.cpp b/src/avalanche/processor.cpp
--- a/src/avalanche/processor.cpp
+++ b/src/avalanche/processor.cpp
@@ -333,7 +333,7 @@
     return true;
 }
 
-bool Processor::addPeer(NodeId nodeid, const Proof &proof,
+bool Processor::addNode(NodeId nodeid, const Proof &proof,
                         const CPubKey &pubkey) {
     LOCK(cs_peerManager);
     return peerManager->addNode(nodeid, proof, pubkey);
diff --git a/src/avalanche/test/processor_tests.cpp b/src/avalanche/test/processor_tests.cpp
--- a/src/avalanche/test/processor_tests.cpp
+++ b/src/avalanche/test/processor_tests.cpp
@@ -530,7 +530,7 @@
     auto avanode =
         ConnectNode(config, NODE_AVALANCHE, *peerLogic, connman.get());
     NodeId avanodeid = avanode->GetId();
-    BOOST_CHECK(p.addPeer(avanodeid, Proof::makeRandom(100), CPubKey()));
+    BOOST_CHECK(p.addNode(avanodeid, Proof::makeRandom(100), CPubKey()));
 
     // It returns the avalanche peer.
     BOOST_CHECK_EQUAL(AvalancheTest::getSuitableNodeToQuery(p), avanodeid);
@@ -677,7 +677,7 @@
     auto avanode =
         ConnectNode(config, NODE_AVALANCHE, *peerLogic, connman.get());
     NodeId avanodeid = avanode->GetId();
-    BOOST_CHECK(p.addPeer(avanodeid, Proof::makeRandom(100), CPubKey()));
+    BOOST_CHECK(p.addNode(avanodeid, Proof::makeRandom(100), CPubKey()));
 
     // Expire requests after some time.
     auto queryTimeDuration = std::chrono::milliseconds(10);
@@ -891,7 +891,7 @@
     auto avanode =
         ConnectNode(config, NODE_AVALANCHE, *peerLogic, connman.get());
     NodeId nodeid = avanode->GetId();
-    BOOST_CHECK(p.addPeer(nodeid, Proof::makeRandom(100), CPubKey()));
+    BOOST_CHECK(p.addNode(nodeid, Proof::makeRandom(100), CPubKey()));
 
     // There is no query in flight at the moment.
     BOOST_CHECK_EQUAL(AvalancheTest::getSuitableNodeToQuery(p), nodeid);
diff --git a/src/rpc/avalanche.cpp b/src/rpc/avalanche.cpp
--- a/src/rpc/avalanche.cpp
+++ b/src/rpc/avalanche.cpp
@@ -43,7 +43,8 @@
             {"proof", RPCArg::Type::STR_HEX, RPCArg::Optional::NO,
              "Proof that the node is not a sybil."},
         },
-        RPCResults{},
+        RPCResult{"\"success\"    (boolean) Whether the addition succeeded or "
+                  "not.\n"},
         RPCExamples{
             HelpExampleRpc("addavalanchenode", "5, \"<pubkey>\", \"<proof>\"")},
     }
@@ -72,8 +73,7 @@
     avalanche::Proof proof;
     ss >> proof;
 
-    g_avalanche->addPeer(nodeid, proof, {HexToPubKey(keyHex)});
-    return {};
+    return g_avalanche->addNode(nodeid, proof, {HexToPubKey(keyHex)});
 }
 
 // clang-format off
diff --git a/test/functional/abc_p2p_avalanche.py b/test/functional/abc_p2p_avalanche.py
--- a/test/functional/abc_p2p_avalanche.py
+++ b/test/functional/abc_p2p_avalanche.py
@@ -193,7 +193,9 @@
 
         # Activate the quorum.
         for n in quorum:
-            node.addavalanchenode(n.nodeid, pubkey.hex(), AVA_HEX_PROOF)
+            success = node.addavalanchenode(
+                n.nodeid, pubkey.hex(), AVA_HEX_PROOF)
+            assert success is True
 
         def can_find_block_in_poll(hash, resp=BLOCK_ACCEPTED):
             found_hash = False